Dogs and humans have had a special bond since prehistoric times, which is mostly due to their startling neurological similarities.
Over 30,000 years of research have been devoted to this unique relationship between humans and dogs, and over that time, numerous commonalities in the two species’ brains have been discovered.
For example, there are similarities between the limbic system in humans and dogs, which is the part of the brain responsible for emotions like fear and love. This helps to explain why dogs frequently show empathy and appear to comprehend the feelings of people.

It proved that dogs and humans have similar brain areas that react to emotions communicated through speech. This led to the conclusion that dogs love us because they have deep relationships with us and are socially secure, much like people do.
Studies conducted by American scientists at Emory University in Atlanta revealed that dogs and humans shared a brain region linked to joyful feelings.
Consequently, this study provides evidence for what dog owners have long intuitively believed to be true: that their furry companions truly care for and love them.
This theory clarifies why, in spite of the common belief that dogs are violent and hazardous around small children, a little child may play so happily with up to fourteen dogs—an incidence that went viral online.
Further research on this topic might provide more light on the variety of emotions that animals can feel and the emotional responses they have to auditory cues from people.